Katie started practicing flute at 4:30 PM
she practiced for 45 minutes
4:30
+:45
_____
5:15
so she started eating her snack at 5:15PM she ate the snack during 15 minutes
5:15
+:15
____
5:30
and finally she starting watching tv at 5:30 PM during 30 minutes
5:30
+:30
_____
6:00
Second question
she finished lunch at 0:20 PM
so she spended 50 minutes shoping and 30 minutes eating lunch, so in all of that she spended (50 + 30 = 80) 80 minutes
80 minutes = 1 hour twenty minutes
11:00
+1:20
______
12:20
since 12:20 AM doesn´t exist we say it´s 0:20 PM
third question
he should leave at 1:00 PM
the game starts at 2:00 PM so if he wants to be there 30 minutes before he´ll have to be there at 1:30PM
2:00
+ :30
_____
1:30
so from home to the game he takes 30 minutes
1:30
+:30
_____
1:00
i hope i helped you
